%0 Journal Article %A Majid Masteri-Farahani %A Melika Ghorbani %A Ali Ezabadi %A Niki Farrokhinia %A Atekeh-Sadat Ghaemmaghami %T Star-shaped Keggin-type heteropolytungstate nanostructure as a new catalyst for the preparation of quinoxaline derivatives %J Comptes Rendus. Chimie %D 2014 %P 1136-1143 %V 17 %N 11 %I Elsevier %R 10.1016/j.crci.2014.01.021 %G en %F CRCHIM_2014__17_11_1136_0